5. Test Circuit:
VDD
VDD
IC
IC
IC
IC
R
C1
C2
2-PIN
3-PIN
IC
TC74HCU04
+5V 0.1V
1M
VDD
R
C1 C2
30PF
6. Physical and Environmental Characteristics:
No
Item
Condition
Result
Force of 1kg is applied to each lead in axial
direction, keep for 10sec, then force of 0.5kg
is applied to each lead in aerial direction. The
Terminal
strength
Non-evident
6-1
lead shall be bend 90
degree in one damage.
direction, then in the opposite direction and
return to normal.
Lead terminals are immersed up to 2.0mm of
body in a solder bath (260±5 ), keep for
5±0.5sec, then return to normal temp. For
24±2hrs.
Non-evident
Resistance
6-2 to soldering
damage and meet
table-1, the mark is
clear.
heat
Thermal
shock
Temp:-55~+85 , 5cycles, keep for 30min,
return to normal temp, for 24±2hrs.
Vibration:frequency:10~55Hz,
Non-evident
damage and meet
table-1, the mark is
clear.
6-3
Vibration
amplitude:1.5mm, keep for 6hrs
Shock
High
temperature
Damp &
heat(cyclic)
Low
temperature
Va: 294m/s2, pulse time: 18ms
Temp: +85 , keep for 16hrs.
Trial Db, the first circle
Non-breakthrough,
or arc and meet
table-1, non-evident
damage the mark is
clear.
6-4
Temp: -55 , keep for 2hrs.
Air press: 8.5kPa keep for 2hrs.
Low air
pressure
Damp &
Trial Db, the rest cycles, return to normal
heat (cyclic)
temp for 24±2hrs.
Damp &
6-5 heat (steady
state)
Non-evident
damage, the mark is
clear, meet table-1.
Temp: 40±2 , humidity: 90~95%. Keep for
500hrs, return to normal temp for 24±2hrs.
Temp:+85 , keep for 1000hrs, return to
normal temp for.
6-6
Life test
Meet table-1.
SHOULDER [ SHOULDER ELECTRONICS LIMITED. ]
